| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.solr.client.solrj.io.eval; |
| |
| import java.util.List; |
| import java.util.Map; |
| import java.util.HashMap; |
| import java.util.ArrayList; |
| |
| import java.util.Iterator; |
| |
| @SuppressWarnings({"rawtypes"}) |
| public class Matrix implements Iterable, Attributes { |
| |
| private double[][] data; |
| private List<String> columnLabels; |
| private List<String> rowLabels; |
| |
| private Map<String, Object> attributes = new HashMap<>(); |
| |
| public Matrix(double[][] data) { |
| this.data = data; |
| } |
| |
| @SuppressWarnings({"rawtypes"}) |
| public Map getAttributes() { |
| return this.attributes; |
| } |
| |
| public void setAttribute(String key, Object value) { |
| this.attributes.put(key, value); |
| } |
| |
| public Object getAttribute(String key) { |
| return this.attributes.get(key); |
| } |
| |
| public List<String> getColumnLabels() { |
| return this.columnLabels; |
| } |
| |
| public void setColumnLabels(List<String> columnLabels) { |
| this.columnLabels = columnLabels; |
| } |
| |
| public List<String> getRowLabels() { |
| return rowLabels; |
| } |
| |
| public void setRowLabels(List<String> rowLables) { |
| this.rowLabels = rowLables; |
| } |
| |
| public double[][] getData() { |
| return this.data; |
| } |
| |
| public int getRowCount() { |
| return data.length; |
| } |
| |
| public int getColumnCount() { |
| return data[0].length; |
| } |
| |
| @SuppressWarnings({"rawtypes"}) |
| public Iterator iterator() { |
| return new MatrixIterator(data); |
| } |
| |
| @SuppressWarnings({"rawtypes"}) |
| private static class MatrixIterator implements Iterator { |
| |
| private double[][] d; |
| private int index; |
| |
| public MatrixIterator(double[][] data) { |
| d = data; |
| } |
| |
| @SuppressWarnings({"unchecked"}) |
| public Object next() { |
| double[] row = d[index++]; |
| List list = new ArrayList(); |
| for(double value : row) { |
| list.add(value); |
| } |
| |
| return list; |
| } |
| |
| public boolean hasNext() { |
| return index < d.length; |
| } |
| } |
| } |